ABOUT JCDS. JCDS, Boston’s Jewish Community Day School, is committed to serving families across a wide spectrum of belief and practice. The school has several hallmarks: Hebrew and English spoken throughout the day. Jewish and General studies integrated in many areas. a commitment to creative, academic excellence. and living a joyful Jewish life in a welcoming community. JCDS was founded in 1995 and serves students in grades K-8. We encourage eve...